:root {
  --bg: #07131f;
  --bg-soft: #102538;
  --panel: rgba(10, 27, 42, 0.84);
  --panel-strong: rgba(17, 41, 63, 0.92);
  --text: #eef7f5;
  --muted: #a7c0c5;
  --line: rgba(173, 232, 221, 0.16);
  --sea: #7ce0c3;
  --sea-deep: #2fb998;
  --sun: #ffbc78;
  --danger: #ff8d7c;
  --shadow: 0 30px 70px rgba(1, 7, 14, 0.45);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  font-family: "IBM Plex Sans", "Helvetica Neue", sans-serif;
  background:
    radial-gradient(circle at top right, rgba(255, 188, 120, 0.15), transparent 28rem),
    radial-gradient(circle at 10% 20%, rgba(124, 224, 195, 0.18), transparent 24rem),
    linear-gradient(180deg, #08111b 0%, #091c2c 42%, #0a1421 100%);
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 80%);
}

a {
  color: inherit;
}

img {
  display: block;
  max-width: 100%;
}

.page-shell {
  position: relative;
  width: min(1180px, calc(100% - 2rem));
  margin: 0 auto;
  padding-bottom: 4rem;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1.25rem 0 1rem;
  backdrop-filter: blur(16px);
}

.site-header::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--line), transparent);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.8rem;
  text-decoration: none;
  font-weight: 700;
  letter-spacing: 0.02em;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 2.35rem;
  height: 2.35rem;
  border-radius: 0.8rem;
  color: #06291f;
  font-family: "Fraunces", Georgia, serif;
  font-size: 1.2rem;
  background: linear-gradient(135deg, var(--sea) 0%, #a6f3d7 100%);
  box-shadow: 0 12px 24px rgba(47, 185, 152, 0.25);
}

.site-nav {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.site-nav a {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  text-decoration: none;
  color: var(--muted);
  transition: transform 180ms ease, border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.site-nav a:hover,
.site-nav a:focus-visible {
  color: var(--text);
  border-color: rgba(124, 224, 195, 0.35);
  background: rgba(124, 224, 195, 0.08);
  transform: translateY(-1px);
}

.hero {
  display: grid;
  grid-template-columns: 1.2fr 0.9fr;
  gap: 2rem;
  align-items: center;
  padding: 4.5rem 0 3rem;
}

.hero-compact {
  grid-template-columns: 1fr;
  padding-bottom: 1rem;
}

.hero-copy,
.hero-panel,
.content-panel,
.callout,
.diagram-frame,
.command-block {
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--panel) 0%, var(--panel-strong) 100%);
  box-shadow: var(--shadow);
}

.hero-copy,
.hero-panel {
  border-radius: 2rem;
  padding: clamp(1.4rem, 3vw, 2.4rem);
}

.hero-copy h1,
.section-heading h2,
.content-panel h2,
.callout h2,
.doc-card h2 {
  margin: 0;
  font-family: "Fraunces", Georgia, serif;
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.02em;
}

.hero-copy h1 {
  font-size: clamp(2.7rem, 6vw, 5.8rem);
  max-width: 9ch;
}

.eyebrow {
  margin: 0 0 0.9rem;
  color: var(--sea);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.lede,
.section-copy,
.feature-card p,
.doc-card p,
.callout p,
.content-panel p {
  color: var(--muted);
  line-height: 1.75;
}

.lede {
  font-size: 1.05rem;
  max-width: 60ch;
  margin: 1.3rem 0 0;
}

.cta-row,
.callout-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.85rem 1.2rem;
  border-radius: 999px;
  text-decoration: none;
  font-weight: 700;
  transition: transform 180ms ease, box-shadow 180ms ease, border-color 180ms ease, background 180ms ease;
}

.button:hover,
.button:focus-visible {
  transform: translateY(-1px);
}

.button-primary {
  color: #04211a;
  background: linear-gradient(135deg, var(--sea) 0%, #b7f6df 100%);
  box-shadow: 0 14px 28px rgba(47, 185, 152, 0.22);
}

.button-secondary {
  border: 1px solid rgba(255, 188, 120, 0.24);
  background: rgba(255, 188, 120, 0.08);
  color: var(--text);
}

.hero-panel {
  position: relative;
  overflow: hidden;
}

.panel-orbit {
  position: absolute;
  top: -4rem;
  right: -4rem;
  width: 12rem;
  height: 12rem;
  border-radius: 50%;
  background:
    radial-gradient(circle at center, rgba(124, 224, 195, 0.3) 0, rgba(124, 224, 195, 0.1) 32%, transparent 60%),
    radial-gradient(circle at center, rgba(255, 188, 120, 0.22) 0, transparent 58%);
  filter: blur(2px);
}

.status-card {
  position: relative;
  padding: 1.1rem 1.1rem 1rem;
  border-radius: 1.4rem;
  border: 1px solid rgba(124, 224, 195, 0.18);
  background: rgba(6, 19, 31, 0.55);
}

.status-label,
.doc-type,
.stat-label {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--sea);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.status-card strong,
.stat strong {
  display: block;
  font-size: 1.1rem;
}

.status-card p,
.mini-grid span,
.mini-grid strong {
  position: relative;
}

.mini-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.8rem;
  margin-top: 1rem;
}

.mini-grid div,
.stat,
.feature-card,
.doc-card,
.content-panel {
  border-radius: 1.25rem;
  border: 1px solid var(--line);
  background: rgba(6, 19, 31, 0.48);
}

.mini-grid div {
  padding: 0.95rem;
}

.mini-grid span {
  display: block;
  color: var(--muted);
  font-size: 0.82rem;
}

.mini-grid strong {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.96rem;
}

.stats,
.card-grid,
.track-grid,
.research-grid,
.docs-grid {
  display: grid;
  gap: 1rem;
}

.stats {
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin: 0 0 2.5rem;
}

.stat {
  padding: 1.25rem;
}

.stat strong {
  font-size: 1.12rem;
}

.section {
  padding: 1.2rem 0 2.2rem;
}

.section-heading {
  margin-bottom: 1.2rem;
}

.section-heading h2 {
  font-size: clamp(2rem, 4vw, 3.4rem);
  max-width: 12ch;
}

.section-heading.compact h2 {
  max-width: 13ch;
}

.card-grid {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.feature-card,
.doc-card,
.content-panel {
  padding: 1.3rem;
}

.feature-card h3 {
  margin: 0 0 0.7rem;
  font-size: 1.05rem;
}

.layout-two {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 1.4rem;
  align-items: start;
}

.list-block {
  display: grid;
  gap: 0.75rem;
  padding: 0;
  margin: 1.2rem 0 0;
  list-style: none;
}

.list-block li {
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  border: 1px solid var(--line);
  background: rgba(7, 18, 28, 0.44);
  color: var(--muted);
}

.list-block strong {
  color: var(--text);
}

.text-link {
  display: inline-block;
  margin-top: 1rem;
  color: var(--sun);
  text-decoration: none;
}

.diagram-frame {
  padding: 1rem;
  border-radius: 2rem;
}

.track-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.track-card {
  padding: 1.25rem;
  border-radius: 1.3rem;
  border: 1px solid var(--line);
  background: rgba(6, 19, 31, 0.5);
}

.track-card span {
  display: block;
  margin-bottom: 0.55rem;
  color: var(--sun);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.track-card h3 {
  margin: 0 0 0.55rem;
  font-size: 1rem;
}

.track-card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.65;
}

.research-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.research-chip {
  padding: 1rem 1.05rem;
  border-radius: 999px;
  border: 1px solid rgba(124, 224, 195, 0.16);
  background: rgba(124, 224, 195, 0.05);
  color: var(--muted);
}

.command-block {
  border-radius: 1.6rem;
  padding: 1.2rem;
}

.command-block pre {
  margin: 0;
  overflow-x: auto;
  color: #d6fff1;
  font-family: "IBM Plex Sans", monospace;
  font-size: 0.96rem;
  line-height: 1.8;
}

.callout {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  border-radius: 2rem;
  padding: 1.5rem;
}

.docs-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.doc-card {
  text-decoration: none;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.doc-card:hover,
.doc-card:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(124, 224, 195, 0.32);
  background: rgba(11, 31, 48, 0.82);
}

.inline-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.inline-links a {
  padding: 0.75rem 1rem;
  border-radius: 999px;
  border: 1px solid var(--line);
  text-decoration: none;
  color: var(--muted);
  background: rgba(6, 19, 31, 0.42);
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 1rem;
  padding-top: 1.2rem;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity 600ms ease, transform 600ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@media (max-width: 1024px) {
  .hero,
  .layout-two,
  .callout {
    grid-template-columns: 1fr;
    display: grid;
  }

  .stats,
  .card-grid,
  .track-grid,
  .research-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100%, calc(100% - 1rem));
  }

  .site-header,
  .site-footer {
    position: relative;
    flex-direction: column;
    align-items: flex-start;
  }

  .hero {
    padding-top: 2.8rem;
  }

  .stats,
  .card-grid,
  .track-grid,
  .research-grid,
  .docs-grid,
  .mini-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-panel,
  .diagram-frame,
  .callout {
    border-radius: 1.35rem;
  }

  .section-heading h2,
  .hero-copy h1 {
    max-width: none;
  }
}